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Finding the Fourth Proportional to 110,860.77, 152,987.63 and 60,559.77

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Solution

The fourth proportional to 110,860.77, 152,987.63 and 60,559.77 is: 83,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,860.77 : 152,987.63 = 60,559.77 : x
  2. Step 2: Convert to fraction form
    110,860.77/152,987.63 = 60,559.77/x
  3. Step 3: Cross multiply
    110,860.77x = 152,987.63 × 60,559.77
  4. Step 4: Simplify right side
    110,860.77x = 9,264,895,382.85
  5. Step 5: Solve for x
    x = 9,264,895,382.85/110,860.77
  6. Step 6: Final answer
    x = 83,572.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.